--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Schema/query.def	Tue Jul 14 12:54:37 2009 +0400
@@ -0,0 +1,27 @@
+syntax ::= select expr_list from var_defs where condition
+
+name ::= <\w>+
+
+fqdn ::= name[.name...]
+
+string ::= '[{<^'>+|<'>{2}}...]'
+
+number ::= [{+|-}] <\d>+
+
+math_op ::= {+|-|*|/}
+
+compare_op ::= {<\>>|<\<>|==|!=}
+
+log_op ::= {OR|AND}
+
+not_op ::= NOT
+
+expr ::= {string|number|fqdn} [math_op {string|number|fqdn|( expr )} ...]
+
+expr_list ::= expr [, expr ...]
+
+type ::= name [<\<>type [, type ...]<\>>]
+
+condition ::= [not_op] expr compare_op expr [log_op {condition|( condition )} ...]
+
+var_defs ::= name as type [, name as type ...]
\ No newline at end of file